father used them and assad has been mass kering his citizens for nearly 2 straight years. martha, abc news, washington. >> u.s. find it snevl a quandary here. imposes crippling sanction on iran and but they are buying anti-venom to the help soldiers from this snake. it can paralyze the victim in an hour. the snake refs to let go when biting the victim. tenacious. only anti-venom comes from iran but military purchase may violate sanction rules. pentagon investigating after the wall street journal raised question about this. this is approved by the fda only works on bites by snakes found in the united states. >>> new to the storks watch heard round the world. prince william and wife kate!kate duchess expecting first child kate is in the whose her husband by her side tonight. many we explain why. >>reporter: world saw kate was on friday a picture of health. playing field hockey now we learn the duchess of cambridge is pregnant. hospitalized for a condition called tm this. palace today saying as pregnancy is in the very early stages her royal high needs is expected to stay in